Wheelchair accessory



FIG. 1 is a perspective view of a wheelchair and wheelchair accessoryshowing my new design, the broken lines showing the wheelchair are forillustrative purposes only and form no part of the claimed design;

FIG. 2 is a perspective view of my new design;

FIG. 3 is a top view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a side elevational view thereof;

FIG. 8 is a top view of a second embodiment of the wheelchair accessoryshown in FIG. 1; and,

FIG. 9 is a top view of a third embodiment of the wheelchair accessoryshown in FIG. 1.

The ornamental design for a wheelchair accessory, as shown anddescribed.